GMC Logo2007 GMC Sierra 2500HD III (GMT900) Regular Cab Long Box: Front grille and headlights of a heavy duty pickup truck

Close-up front view showing the rectangular headlights, bold grille with GMC emblem, large side mirrors, and chrome bumper of a heavy duty pickup truck.

View Dimensions of the 2007 GMC Sierra 2500HD III (GMT900) Regular Cab Long Box

View 38 images of the 2007 GMC Sierra 2500HD III (GMT900) Regular Cab Long Box

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Small red car